20087571

素因数分解:

$3^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{2459}}^1$

素因数の和:2858

約数の個数: 16

約数和(自身を含む): 30700800

約数和(自身を除く): 10613229

約数列:

[1, 3, 7, 21, 389, 1167, 2459, 2723, 7377, 8169, 17213, 51639, 956551, 2869653, 6695857, 20087571]

約数ペア:

[(1, 20087571), (3, 6695857), (7, 2869653), (21, 956551), (389, 51639), (1167, 17213), (2459, 8169), (2723, 7377)]